/* =====================================================================
   自定义头部 + 导航（替代系统自带样式）· 双层式布局
   第 1 层：LOGO + 搜索 + 预约按钮（白底）
   第 2 层：通栏深蓝渐变导航条（全宽，栏目居中）
   仅作用于 .site-topbar / .site-header，不改动 base.css / m.css
   易优标签：{eyou:channel} 动态栏目、{eyou:global} 站点信息、
            {eyou:user} 会员、{eyou:language} 语言、{eyou:searchform} 搜索
   移动端菜单沿用 main.js 的 #starlist / #mnavh / .menu / .sub 钩子
   ===================================================================== */
:root{
  --nav-blue:#1487f4;
  --nav-blue-d:#0976dc;
  --nav-grad:linear-gradient(90deg,#0062ff 0%,#00a0ec 100%);
  --nav-gold:#e3a93c;
  --nav-navy:#0b1f45;
  --nav-ink:#243352;
}

/* ---------- 顶部工具条 ---------- */
.site-topbar{
  background:linear-gradient(90deg,#0b1f45 0%,#102a56 50%,#0b1f45 100%);
  color:#b9c8e6; font-size:13px;
}
.site-topbar .container{
  max-width:1200px; margin:0 auto; height:42px;
  display:flex; align-items:center; justify-content:space-between; padding:0 20px;
}
.tb-left{ display:flex; align-items:center; gap:8px; }
.tb-right{ display:flex; align-items:center; gap:18px; }
.tb-item{ color:#b9c8e6; display:inline-flex; align-items:center; gap:6px; transition:color .2s; white-space:nowrap; }
.tb-item:hover{ color:#fff; }
.tb-item svg{ width:14px; height:14px; fill:currentColor; }
.tb-phone{ color:#ffd27a; font-weight:700; }
.tb-phone:hover{ color:#ffe9b0; }
.tb-phone svg{ fill:var(--nav-gold); }

/* ---------- 主头部（第 1 层） ---------- */
.site-header{
  background:#fff;
  box-shadow:0 4px 24px rgba(8,30,80,.10);
  position:sticky; top:0; z-index:1000;
}
.site-header__top{
  max-width:1200px; margin:0 auto; height:84px;
  display:flex; align-items:center; justify-content:space-between; padding:0 20px;
}
.site-logo{ display:flex; align-items:center; text-decoration:none; gap:14px; min-width:0; }
.site-logo img{
  width:60px; height:60px; border-radius:16px; object-fit:cover; flex:0 0 auto;
  box-shadow:0 8px 18px rgba(20,135,244,.30);
}
.logo-text{ min-width:0; }
.logo-name{ display:block; font-size:22px; font-weight:800; color:var(--nav-navy); letter-spacing:1px; line-height:1.2; white-space:nowrap; }
.logo-name b{ color:var(--nav-blue); }
.logo-slogan{ display:block; font-size:12px; color:#8493b0; letter-spacing:3px; margin-top:2px; white-space:nowrap; }

/* 第 1 层右侧：搜索 + CTA */
.site-nav__tools{ display:flex; align-items:center; gap:14px; }
.site-search{
  display:flex; align-items:center; background:#f2f6fc; border:1px solid #e3ebf6;
  border-radius:30px; padding:4px 6px 4px 16px; transition:border-color .2s, box-shadow .2s;
}
.site-search:focus-within{ border-color:var(--nav-blue); box-shadow:0 0 0 3px rgba(20,135,244,.12); }
.site-search__input{ border:0; background:transparent; outline:none; font-size:14px; width:160px; color:var(--nav-ink); }
.site-search__input::placeholder{ color:#97a4bd; }
.site-search__btn{
  border:0; cursor:pointer; width:34px; height:34px; border-radius:50%;
  background:var(--nav-grad); display:flex; align-items:center; justify-content:center; flex:0 0 auto;
}
.site-search__btn svg{ width:16px; height:16px; fill:#fff; }
.site-cta{
  display:inline-flex; align-items:center; gap:6px; padding:11px 24px; border-radius:30px;
  background:linear-gradient(135deg,#ffb15a 0%,#e3a93c 100%); color:#fff; font-weight:700; font-size:15px;
  white-space:nowrap; text-decoration:none;
  box-shadow:0 8px 18px rgba(227,169,60,.35); transition:transform .2s, box-shadow .2s;
}
.site-cta:hover{ transform:translateY(-2px); box-shadow:0 12px 24px rgba(227,169,60,.45); }

/* ---------- 通栏导航条（第 2 层） ---------- */
.site-nav{
  background:linear-gradient(90deg,#0b1f45 0%,#123a7a 55%,#0b1f45 100%);
}
.site-nav .container{ max-width:1200px; margin:0 auto; padding:0 20px; }
.site-nav > .container > nav{ width:auto; text-align:center; }
.site-nav #starlist{
  display:flex; align-items:center; justify-content:center; flex-wrap:nowrap;
  list-style:none; margin:0; padding:0; width:auto; max-width:100%;
}
.site-nav #starlist > li{ position:relative; flex:0 0 auto; }
.site-nav #starlist > li > a{
  position:relative; display:flex; align-items:center; justify-content:center; gap:4px; white-space:nowrap;
  padding:0 9px; height:52px; font-size:14px; font-weight:600; letter-spacing:0;
  color:rgba(255,255,255,.92); transition:color .25s, background .25s; border-radius:8px 8px 0 0;
}
.site-nav #starlist > li > a::after{
  content:""; position:absolute; left:50%; bottom:6px; transform:translateX(-50%);
  width:0; height:3px; border-radius:3px; background:linear-gradient(90deg,#ffd27a,#e3a93c); transition:width .25s;
}
.site-nav #starlist > li:hover > a,
.site-nav #starlist > li > a.current,
.site-nav #starlist > li > a[style*="background"]{
  color:#fff; background:rgba(255,255,255,.12);
}
.site-nav #starlist > li:hover > a::after,
.site-nav #starlist > li > a.current::after{ width:24px; }
/* 易优 currentstyle 注入的内联 background 中和掉，改为胶囊高亮 */
.site-nav #starlist > li > a[style*="background"]{ background:rgba(255,255,255,.12) !important; }

.caret{ width:0; height:0; border-left:4px solid transparent; border-right:4px solid transparent; border-top:5px solid currentColor; opacity:.7; }
/* 去掉 base.css 里 .menu:after 自带的旧三角，避免与 .caret 重复 */
.site-nav #starlist > li.menu::after{ content:none; display:none; }

/* 二级下拉菜单（白卡浮层，与主栏目水平居中对齐） */
.site-nav #starlist > li.menu > ul.sub{
  position:absolute; top:52px; left:50%; transform:translateX(-50%);
  min-width:0; width:max-content; text-align:center;
  background:#fff; border-radius:0 0 14px 14px;
  box-shadow:0 16px 36px rgba(8,30,80,.18); padding:8px 0; display:none; z-index:30;
  list-style:none; margin:0; float:none;
}
.site-nav #starlist > li.menu:hover > ul.sub{ display:block; }
.site-nav #starlist > li.menu > ul.sub li{
  float:none; display:block; width:auto; position:relative; border-bottom:0;
}
.site-nav #starlist > li.menu > ul.sub li a{
  display:block; padding:11px 30px; color:#3a486a; font-size:15px; white-space:nowrap;
  text-align:center; width:auto; height:auto; line-height:1.6; transition:all .2s;
}
.site-nav #starlist > li.menu > ul.sub li a:hover{
  background:linear-gradient(90deg,#eef5ff,#e6f3ff); color:var(--nav-blue); padding-left:30px;
}

#mnavh{ display:none; }

/* ===================== 移动端（≤839px） ===================== */
@media (max-width:839px){
  .site-topbar .tb-left{ display:none; }
  .site-topbar .container{ height:38px; }
  .site-header__top{ height:60px; padding:0 14px; }
  .site-logo img{ width:42px; height:42px; border-radius:12px; }
  .logo-name{ font-size:17px; }
  .logo-slogan{ display:none; }

  .site-nav__tools{ margin-left:auto; }
  .site-search{ display:none; }
  .site-cta{ padding:8px 14px; font-size:13px; }
  .site-nav{ background:transparent; }

  #mnavh{
    display:block; width:44px; height:44px; background:var(--nav-grad);
    border-radius:10px; position:relative; top:0; right:auto; cursor:pointer; margin-left:10px; flex:0 0 auto;
  }
  #mnavh .navicon{ position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); margin:0; float:none; width:22px; height:2px; background:#fff; }
  #mnavh .navicon::before, #mnavh .navicon::after{ content:""; position:absolute; left:0; width:22px; height:2px; background:#fff; transition:.3s; }
  #mnavh .navicon::before{ top:-7px; }
  #mnavh .navicon::after{ top:7px; }
  #mnavh.open .navicon{ background:transparent; }
  #mnavh.open .navicon::before{ top:0; transform:rotate(45deg); }
  #mnavh.open .navicon::after{ top:0; transform:rotate(-45deg); }

  /* 下拉面板：nav 相对 sticky 的 header 定位，铺满宽度 */
  .site-nav .container{ height:0; padding:0; }
  .site-nav > .container > nav{
    position:absolute; top:100%; left:0; right:0; background:#fff;
    box-shadow:0 14px 26px rgba(0,0,0,.12); max-height:80vh; overflow:auto; z-index:999;
  }
  .site-nav #starlist{ display:none; flex-direction:column; align-items:stretch; justify-content:flex-start; width:100%; }
  .site-nav #starlist > li{ display:block; float:none; width:100%; border-bottom:1px solid #eef2f8; flex:1 1 auto; }
  .site-nav #starlist > li > a{ display:flex; float:none; box-sizing:border-box; width:auto; height:50px; padding:0 18px; color:var(--nav-ink); justify-content:space-between; border-radius:0; background:none; text-indent:0; }
  .site-nav #starlist > li > a.current,
  .site-nav #starlist > li > a[style*="background"]{ color:var(--nav-ink); background:none !important; }
  .site-nav #starlist > li > a::after{ display:none; }
  .site-nav #starlist > li.menu > ul.sub{ position:static; transform:none; box-shadow:none; display:block; padding:0; border-radius:0; background:#f7f9fc; min-width:0; }
  .site-nav #starlist > li.menu > ul.sub li a{ padding:10px 34px; }
  .site-nav #starlist > li.menu > ul.sub li a:hover{ padding-left:34px; background:#eef5ff; }
}
@media (max-width:480px){
  .site-topbar .tb-lang, .site-topbar .tb-user{ display:none; }
  .site-cta{ display:none; }
}